a) 22x + x - 10 = 5923x - 10 = 5923x = 69x = 3
б) 14y - 2y + 76 = 10012y + 76 = 10012y = 24y = 2
в) (7a - 2a) 8 = 805a 8 = 8040a = 80a = 2
a) 22x + x - 10 = 59
23x - 10 = 59
23x = 69
x = 3
б) 14y - 2y + 76 = 100
12y + 76 = 100
12y = 24
y = 2
в) (7a - 2a) 8 = 80
5a 8 = 80
40a = 80
a = 2